บุญรอด วิชญ์. “A Study of Aural Skill in Basic Chord Structure in Music Students of Phitsanulok Province”. Journal of Fine and Applied Arts Khon Kaen University 11, no. 2 (December 27, 2019): 1–25. Accessed April 28, 2024. https://so02.tci-thaijo.org/index.php/fakku/article/view/232311.